W126 Door Lock Problems

I am having another door lock issue.

W126 door lock problems.

If your pump is running and your door locks are not working check out kent s full video manual available on w126 door lock troubleshooting and repair where. When the doors lock the pump runs for a few seconds as it should. The w126 was the first mercedes to use a separate electric pump to provide vacuum to the door lock system. 1 273 w126 80 090 checking function of central locking system page 1751 jpg.

Once that is determined you will need to find the source of possible leaks in the hoses and vacuum lock actuators. As far as the w126 cars go the only major difference besides geni and gen ii are the different engines and as far as i ve found all the body parts are the same. Wait about 5 minutes to see if the lock side of the system holds. W126 80 090 checking function of central locking system page 1750 jpg 65 7 kb views.

If you let the pump run on like that every single time it locks the little motor in the vacuum pump will definitely burn out. This makes it more challenging to troubleshoot. For starters the systems are getting old and with age comes common leaks and failed actuators. This means there is a pressure leak in one of the actuators.

The drivers side door only locks and unlocks the driver door. Make sure the driver s side door is closed and turn the key to the lock position. My new latch. Read honest and unbiased product reviews from our users.

The system also suffers from motor and pump problems due primarily to their location in the trunk. Any ideas where to start troubleshooting this problem. The first thing is to make sure the pump is working and producing vaccum. Pull a vacuum of 10 to 15hg.

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